Evidence map›Paper›PMID 33782780›Full record

ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2021

Abnormal neurological pupil index is associated with malignant cerebral edema after mechanical thrombectomy in large vessel occlusion patients.

Ehsan Dowlati, Kwadwo Sarpong, Stanley Kamande, Austin H Carroll, Jerome Murray, Alynna Wiley, Brendon Peterson, Jeffrey C Mai, Jason J Chang, Edward F Aulisi and 2 more

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Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 18% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Observational
  7. Article
  8. Article
  9. Application of Pupillometry in Neurocritical Patients.Journal of personalized medicine · 2023
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 2 institutions in 1 country.

Ehsan DowlatiDepartment of Neurosurgery, MedStar Georgetown University Hospital, 3800 Reservoir Road NW, PHC7, Washington, DC, 304-215-3107, USA. edowlati@gmail.com.ORCID http://orcid.org/0000-0001-6739-0793
Kwadwo SarpongGeorgetown University School of Medicine, 3900 Reservoir Road NW, Washington, DC, USA.
Stanley KamandeGeorgetown University School of Medicine, 3900 Reservoir Road NW, Washington, DC, USA.
Austin H CarrollGeorgetown University School of Medicine, 3900 Reservoir Road NW, Washington, DC, USA.
Jerome MurrayGeorgetown University School of Medicine, 3900 Reservoir Road NW, Washington, DC, USA.
Alynna WileyGeorgetown University School of Medicine, 3900 Reservoir Road NW, Washington, DC, USA.
Brendon PetersonGeorgetown University School of Medicine, 3900 Reservoir Road NW, Washington, DC, USA.
Jeffrey C MaiDepartment of Neurosurgery, MedStar Georgetown University Hospital, 3800 Reservoir Road NW, PHC7, Washington, DC, 304-215-3107, USA.
Jason J ChangDepartment of Critical Care Medicine, MedStar Washington Hospital Center, 110 Irving St. NW, Washington, DC, USA.
Edward F AulisiDepartment of Neurosurgery, MedStar Washington Hospital Center, 110 Irving St. NW, Washington, DC, USA.
Rocco A ArmondaDepartment of Neurosurgery, MedStar Georgetown University Hospital, 3800 Reservoir Road NW, PHC7, Washington, DC, 304-215-3107, USA.
Daniel R FelbaumDepartment of Neurosurgery, MedStar Georgetown University Hospital, 3800 Reservoir Road NW, PHC7, Washington, DC, 304-215-3107, USA.
Georgetown University · USMedStar Washington Hospital Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectivesMalignant cerebral edema (MCE) is a feared complication in patients suffering from large vessel occlusion. Variables associated with the development of MCE have not been clearly elucidated. Use of pupillometry and the neurological pupil index (NPi) as an objective measure in patients undergoing mechanical thrombectomy (MT) has not been explored. We aim to evaluate variables significantly associated with MCE in patients that undergo MT and hypothesize that abnormal NPi is associated with MCE in this population.

methodsA retrospective analysis of patients with acute ischemic stroke who had undergone MT at our institution between 2017 and 2020 was performed. Baseline and outcome variables were collected, including NPi values from pupillometry readings of patients within 72 h after the MT. Patients were divided into two groups: MCE versus non-MCE group. A univariate and multivariate analysis was performed.

resultsOf 284 acute ischemic stroke patients, 64 (22.5%) developed MCE. Mean admission glucose (137 vs. 173; p < 0.0001), NIHSS on admission (17 vs. 24; p < 0.01), infarct core volume (27.9 vs. 17.9 mL; p = 0.0036), TICI score (p = 0.001), and number of passes (2.9 vs. 1.8; p < 0.0001) were significantly different between the groups. Pupillometry data was present for 64 patients (22.5%). Upon multivariate analysis, abnormal ipsilateral NPi (OR 21.80 95% CI 3.32-286.4; p = 0.007) and hemorrhagic conversion were independently associated with MCE.

conclusionAbnormal NPi and hemorrhagic conversion are significantly associated with MCE in patients following MT. Further investigation is warranted to better define an association between NPi and patient outcomes in this patient population.

Indexed as

Brain EdemaBrain IschemiaStrokeHumansPupilRetrospective StudiesThrombectomyTreatment OutcomeCerebral edemaIschemic strokePupillary reflexPupillometryThrombectomy

Identifiers

PMID33782780
OpenAlexW3151685983

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.